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Putting your horse's supplements on AutoShip helps you take great care of your horse, so we take great care of you with SmartPerks! When you order your horse's supplements on AutoShip, you're automatically* eligible for our FREE SmartPerks benefits, including:

Free shipping every day

10% off all Smartpak brand tack, apparel, and gear

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Opti-Force® Sweat Resistant Fly Spray

: SmartPerks Price: (Because you have supplements on AutoShip, you save an extra 10% on this and all other SmartPak tack & apparel items!)Your Price: (You save 5% as a member of . And, because you have supplements on AutoShip, you save an extra 10% on this and all other SmartPak tack & apparel items!)SmartPerks Price: (Because you have supplements on AutoShip, you can save an extra 10% on this and all other SmartPak tack & apparel items! Enter promo code PERKS at checkout.) Your Price: (You save 5% as a member of . Because you have supplements on AutoShip, you can save an extra 10% on this and all other SmartPak tack & apparel items! Enter promo code PERKS at checkout.)

As riders and online shoppers, we know it can be tough to buy a new bridle
or pair of boots without trying them on. That's why we moved the fitting
room to your living room (or barn)! From breeches to blankets, if you or
your horse can try it on, you can return it, free! Just use the pre-paid
return label included in your order within 60 days from the purchase date.
And of course, please make sure the item is in like-new condition with
original packaging (we said 'fitting room', not 'war room'!).

Begin with the zone for the state you are in. Dates shown on the map indicate suggested start and end dates for Fly Stoppers™ shipments. You may want to shift a zone if your elevation or microclimate is unusual, or if you fall on the border between two zones. You can start anytime during the fly season. Choose "Year Round" for climates that have flies all year, and start now.

Program Type

Regular Programs:

Premium Programs:

Shipment/Application Frequency

Ships every 4 weeks. For low to average fly levels, frequent manure management and few neighbors.

Ships every 3 weeks. For high fly levels or weekly manure management or nearby livestock.

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All customized items are personalized in our Plymouth, MA facility, and it looks like this item is currently out of stock in that location.

Add these items to your cart to get your estimated arrival date.Shipping to

Please call 1-800-461-8898 to order this product.

We're bringing you this product at the lowest price allowed by the manufacturer so you won't find it cheaper anywhere else. This also means we can't apply any further discounts or promotions.

We're sorry, but certain colors/sizes are sold out and are no longer available.

Why We Love This

Opti-Force® Fly Spray from Manna Pro® is a sweat and weather resistant repellent that will help keep biting and nuisance flies at bay all summer long. Because this spray is water resistant it is the perfect choice for horses who are turned out and those who are in hard work. This fly spray repels and provides quick knockdown for a wide variety of bug species including mosquitoes and gnats. Up to 14 days of bug protection means you will apply less often making Opti-Force® Fly Spray an effective and economical choice for your bug battle.

Favorite Features

Sweat resistant Fly Spray

Provides repellency and quick knockdown from biting and nuisance flies, gnats and mosquitoes (Culex spp.) that may transmit West Nile Virus

At SmartPak, your happiness is at the core of everything we do. We back every order with our 100% Happiness Guarantee so that you can shop
with confidence. If you're ever less than thrilled with your purchase, just let us know and we'll refund you right away.
No hassles, no hoops, no kidding.

We put our products to the test in our barns and on our horses, so we're confident that you'll be thrilled with your purchase. However, we know that life in the barn can sometimes be unpredictable. That's why we've created a stress-free return policy. If you purchase an item and it doesn't meet your expectations, we want to know about it, take care of you and give you your money back.

Free Return Shipping on all Sized Items

As riders and online shoppers, we know it can be tough to buy a new bridle or pair of boots without trying them on. That's why we moved the fitting room to your living room (or barn)! From breeches to blankets, if you or your horse can try it on, you can return it, free! Just use the pre-paid return label included in your order within 60 days from the purchase date. And of course, please make sure the item is in like-new condition with original packaging (we said 'fitting room', not 'war room'!).

The Fine Print

We love our products and we're happy to take them back - even custom items. We'll happily take back everything from engraved halters to personalized jackets - even embroidered blankets that have been worn (minus the manure, please). But there are a few things we have to restrict returns on (silly federal regulations).

UndergarmentsHealth regulations require that undergarments (including bras) need to be in new condition (tags and packages intact) in order to be returned. (Even if it wasn't required, do you really want to shop from a store that takes back used undergarments?!)

SaddlesAs riders, we know what a big investment a saddle is. That's why we're proud to offer the best Test Ride program in the business. You can keep our Test Ride saddles risk-free for five days, to really make sure you like the fit and the feel. We know that to truly try a saddle, you have to really ride in it. So go ahead and girth it up. Forget about wrapping your stirrup leathers. Try it with or without a saddle pad. Basically, treat it like you already bought it, so you can make sure you really want to. Because when you buy a saddle from us, we want to make sure you love it. Of course, we want our other customers to love their new saddles, too. That's why we have a Test Ride option for each saddle we carry - so that all of the other saddles can stay in pristine condition, waiting for their new owners. For this reason, if you purchase a saddle outside the Test Ride program, it's still eligible for return, but must be free from any marks or damage.

So that's it. Seriously. Those are all of our "rules." Well, except the most important one - treating our customers the way we want to be treated. So if you have any questions or if there is anything we can do, please call us at 1-800-461-8898 or email CustomerCare@SmartPak.com. We are always happy to help.

The reviews provided on this website represent the experience of the individual posting the review. We do not adopt, edit, or endorse any of the submissions posted within the reviews section. Rather, the reviews are part of an online community of animal owners that desire to share their particular experience with other individuals. These reviews are not a substitute for discussing the health of your animal with a veterinarian.

SmartPak customers are some of the most conscientious animal owners around. We encourage you to share your experience with the products we sell to help fellow customers to make informed choices for their animals. We do not edit these reviews in any way - they are direct customer-to-customer communication. We do monitor reviews for positive and negative feedback, and use this feedback to improve our selection as well as sharing feedback with product manufacturers to help them improve their products. Please note that we recommend consulting your vet with serious health issues.

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Ingredients

Instructions

Instructions for Use:

DIRECTIONS FOR USE:Shake well before using. Avoid contact with eyes or mucous membranes. Harmful if swallowed. Avoid contamination of food.To protect horses and ponies from Horse Flies, House Flies, Stable Flies, Face Flies, Horn Flies, Deer Flies, Gnats, Mosquitoes (Culex spp.): Thoroughly brush the horse’s coat prior to application to remove loose dirt and debris. For dirty horses, shampoo and rinse thoroughly. Wait until the coat is completely dry before applying this product. Opti-Force™ is sweat-and weather-resistant, so it keeps working when the horse sweats, and after rainfall.

Spray or Wipe Application:Application should be liberal for best results. For horse’s face, always apply as a wipe using a piece of clean, absorbent cloth, toweling (Turkish) or sponge. Avoid getting spray into horse’s eyes, nose or mouth.Wear rubber glove or mitt when applying as a wipe. Spray or wipe horse’s entire body while brushing against the lay of the coat to insure adequate coverage.Reapply every 14 days for fly control normal conditions for initial applications. As protection builds, reapply every 14-17 days. Reapply every 5 to 7 days for mosquito repellency. Also, reapply each time animal is washed thoroughly, particularly if with shampoo or soap.

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